import router, { errorRoutes } from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
import { ServiceRoutes, ManageRoutes, ErrorRoutes } from './router'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
    // start progress bar
    NProgress.start()

    // set page title
    document.title = getPageTitle(to.meta.title)

    // determine whether the user has logged in
    const hasToken = getToken()

    if (hasToken) {
        if (to.path === '/login') {
            // if is logged in, redirect to the home page
            next({ path: '/' })
            NProgress.done()
        } else {
            // 调用store 的获取信息
            const hasGetUserInfo = store.getters.name
            if (hasGetUserInfo) {
                next()
            } else {
                try {
                    // get user info
                    await store.dispatch('user/getInfo')

                    // 在拿到用户信息之后，可以进行角色判断
                    // addRoutes的参数一定是一个数组，也就是我们在router.config.js文件中配置的数组，格式完全一样。
                    // 这里两句都要加   一句是往路径里面加   一句是让router可以跳转
                    // router.options.routes.push(ServiceRoutes)
                    // router.addRoutes([ServiceRoutes])

                    if (store.getters.staffNumber == 'admin') {
                        router.options.routes.push(ManageRoutes)
                        router.options.routes.push(ErrorRoutes)
                        router.addRoutes([ManageRoutes, ErrorRoutes])
                    } else if (store.getters.staffNumber == 'superAdmin') { // 测试账号  两个权限都有
                        router.options.routes.push(ManageRoutes)
                        router.options.routes.push(ServiceRoutes)
                        router.options.routes.push(ErrorRoutes)
                        router.addRoutes([ManageRoutes, ServiceRoutes, ErrorRoutes])
                    } else {
                        router.options.routes.push(ServiceRoutes)
                        router.options.routes.push(ErrorRoutes)
                        router.addRoutes([ServiceRoutes, ErrorRoutes])
                    }

                    next({...to, replace: true })
                } catch (error) {
                    // remove token and go to login page to re-login
                    await store.dispatch('user/resetToken')
                    Message.error(error || 'Has Error')
                    next(`/login?redirect=${to.path}`)
                    NProgress.done()
                }
            }
        }
    } else {
        /* has no token*/

        if (whiteList.indexOf(to.path) !== -1) {
            // in the free login whitelist, go directly
            next()
        } else {
            // other pages that do not have permission to access are redirected to the login page.
            next(`/login?redirect=${to.path}`)
            NProgress.done()
        }
    }
})

router.afterEach(() => {
    // finish progress bar
    NProgress.done()
})